Song Six

Recording by Martin Buttrich.

Recording identifiers

ISRC
DEHE41000010
CopyrightID (CopyrightChains transaction hash)
0xc692f990ec65645f00874b249210721420b01b19ce01b567974e082598b79e73
Copyright registration time
2026-06-09T15:03:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:abee0ab84ed9aecc36368acb235b87f09e1dd94cceb2f51f10208701d10e31c0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.